<template>
  <div >
    <!-- 我的频道 -->
    <div class="my-channel-box">
      <div class="channel-title">
        <span>我的频道</span>
        <span>{{ isEdit === true ? '点击移除频道' : '点击进入频道'}}</span>
        <span @click="isEdit = !isEdit">{{ isEdit === true ? '完成' : '编辑'}}</span>
      </div>
      <!-- 我的频道列表 -->
      <van-row type="flex">
        <van-col
          span="6"
          v-for="(item,index) in list"
          :key="item.id"
          @click="btn(item,index)"
        >
          <div class="channel-item van-hairline--surround">
            {{ item.name }}
            <!-- 删除的徽标 -->
            <van-badge
              color="transparent"
              class="cross-badge"
              v-if="isEdit && item.id !== 0"
            >
              <template #content>
                <van-icon
                  name="cross"
                  class="badge-icon"
                  color="#cfcfcf"
                  size="12"
                />
              </template>
            </van-badge>
          </div>
        </van-col>
      </van-row>
    </div>

    <!-- 更多频道 -->
    <div class="more-channel-box">
      <div class="channel-title">
        <span>点击添加更多频道：</span>
      </div>
      <!-- 更多频道列表 -->
      <van-row type="flex">
        <van-col
        span="6"
        v-for="item in unChannelList"
        :key="item.id"
        @click="addFn(item)"
        >
          <div class="channel-item van-hairline--surround">
            {{ item.name }}
          </div>
        </van-col>
      </van-row>
    </div>
  </div>
</template>

<script>
export default {
  data () {
    return {
      isEdit: false
      //   一个标签控制全部标签状态 (一处修改全部改变)
      // 分别控制自己标签状态(对象属性分别保存)
    }
  },
  props: {
    list: Array,
    unChannelList: Array
  },
  methods: {
    btn (item, index) { //   我的频道点击事件
    // 判断  如果当前为编辑状态才能删除  并且只能删除id不为0的  也就是不能删除推荐
      if (this.isEdit === true && item.id !== 0) {
        this.$emit('del', item, index)
      } else { // 非编辑状态 - 跳转切换频道
        this.$emit('changeChannel', item.id)
      }
    },
    addFn (item) { // 新增频道
      if (this.isEdit === true && item.id !== 0) {
        this.$emit('add', item)
      }
    }
  }
}
</script>

<style scoped lang="less">
.van-popup,
.popup-container {
  background-color: transparent;
  height: 100%;
  width: 100%;
}

.popup-container {
  display: flex;
  flex-direction: column;
}

.pop-header {
  height: 90px;
  background-color: #007bff;
  color: white;
  text-align: center;
  font-size: 14px;
  position: relative;
  .title {
    width: 100%;
    position: absolute;
    bottom: 15px;
  }
}

.pop-body {
  flex: 1;
  overflow: scroll;
  padding: 8px;
  background-color: white;
}

.my-channel-box,
.more-channel-box {
  .channel-title {
    display: flex;
    justify-content: space-between;
    font-size: 14px;
    line-height: 28px;
    padding: 0 6px;
  }
}

.channel-item {
  font-size: 12px;
  text-align: center;
  line-height: 36px;
  background-color: #fafafa;
  margin: 5px;
}

/*删除的微标 */
.cross-badge {
  position: absolute;
  right: -3px;
  top: 0;
  border: none;
}

/*提示文字 */
.small_title {
  font-size: 12px;
  color: gray;
}
</style>
